For a novel with a male protagonist surnamed Liu, you can refer to the following example: " Chasing Dreams Entertainment Circle " was a novel set in the film academy. It told the story of a director named Director Bi who developed feelings for an actor named Duan Yihong in the process of pursuing his dream and finally realized his movie dream together. " Half Honey, Half Pain " was a modern romance novel. It told the story of a female doctor named Yang Zishan in her career and her love life. She had a teacher-student relationship with a surgeon named Liu Yang, and she experienced a series of tests and challenges. " Teacher and Student Love " was a novel set in a high school. It was about the love story between a teacher and a student. The student Qin Yue was the teacher's clone. The two of them met because of work and gradually developed feelings for each other. But in the end, Qin Yue realized her mistake and decided to give up on this relationship.